API Testing Contract Job Trends in the Thames Valley

API Testing
South East > Thames Valley

The table below provides summary statistics and contractor rates for jobs advertised in the Thames Valley requiring API Testing skills. It covers contract job vacancies from the 6 months leading up to 13 October 2025, with comparisons to the same periods in the previous two years.

6 months to
13 Oct 2025
Same period 2024 Same period 2023
Rank 108 122 132
Rank change year-on-year +14 +10 +45
Contract jobs citing API Testing 8 4 7
As % of all contract jobs in the Thames Valley 0.47% 0.19% 0.26%
As % of the Processes & Methodologies category 0.52% 0.22% 0.29%
Number of daily rates quoted 3 2 3
10th Percentile £236 £423 -
25th Percentile £288 £438 -
Median daily rate (50th Percentile) £400 £475 £550
Median % change year-on-year -15.79% -13.64% +4.76%
75th Percentile £468 £513 £558
90th Percentile £494 £528 £562
South East median daily rate £388 £450 £513
% change year-on-year -13.89% -12.20% -2.38%

All Process and Methodology Skills
Thames Valley

API Testing falls under the Processes and Methodologies category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring process or methodology skills in the Thames Valley.

Contract vacancies with a requirement for process or methodology skills 1,532 1,851 2,403
As % of all contract IT jobs advertised in the Thames Valley 90.38% 85.97% 90.03%
Number of daily rates quoted 943 1,047 1,613
10th Percentile £263 £300 £250
25th Percentile £400 £413 £400
Median daily rate (50th Percentile) £500 £510 £513
Median % change year-on-year -1.96% -0.49% +2.50%
75th Percentile £588 £625 £625
90th Percentile £650 £675 £700
South East median daily rate £500 £510 £525
% change year-on-year -1.96% -2.86% +2.44%
Number of hourly rates quoted 108 73 92
10th Percentile £14.75 £18.71 £16.44
25th Percentile £15.91 £27.75 £25.19
Median hourly rate £25.15 £58.30 £54.47
Median % change year-on-year -56.86% +7.03% +182.97%
75th Percentile £49.28 £63.00 £68.44
90th Percentile £73.65 £75.17 £75.67
South East median hourly rate £21.25 £58.49 £54.38
% change year-on-year -63.67% +7.56% +61.29%

API Testing
Job Vacancy Trend in the Thames Valley

Historical trend showing the proportion of contract IT job postings citing API Testing relative to all contract IT jobs advertised in the Thames Valley.

API Testing job vacancy trend in the Thames Valley

API Testing
Daily Rate Trend in the Thames Valley

Contractor daily rate distribution trend for jobs in the Thames Valley citing API Testing.

Contractor daily rate distribution trend for jobs in the Thames Valley citing API Testing

API Testing
Daily Rate Histogram in the Thames Valley

Daily rate distribution for jobs citing API Testing in the Thames Valley over the 6 months to 13 October 2025.

Daily rate histogram for API Testing in the Thames Valley

API Testing
Contract Job Locations in the Thames Valley

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing API Testing within the Thames Valley region over the 6 months to 13 October 2025. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Jobs
Berkshire +15 7 £454 - 3
Buckinghamshire +4 1 £201 -57.68%
API Testing
South East

API Testing
Co-Occurring Skills & Capabilities in the Thames Valley by Category

The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:

Cloud Services
1 7 (87.50%) Azure
2 5 (62.50%) Azure DevOps
3 2 (25.00%) Azure API Management
3 2 (25.00%) Azure Event Grid
3 2 (25.00%) Azure Functions
3 2 (25.00%) Azure Logic Apps
3 2 (25.00%) Azure Service Bus
3 2 (25.00%) Azure Storage
3 2 (25.00%) Serverless
4 1 (12.50%) Azure Monitor
4 1 (12.50%) PaaS
Database & Business Intelligence
1 2 (25.00%) SQL Server
Development Applications
1 3 (37.50%) Git
1 3 (37.50%) NUnit
1 3 (37.50%) Selenium
1 3 (37.50%) SpecFlow
2 2 (25.00%) Cucumber
2 2 (25.00%) Cypress.io
2 2 (25.00%) Postman
2 2 (25.00%) Visual Studio Code
3 1 (12.50%) Bitbucket
3 1 (12.50%) Jenkins
3 1 (12.50%) JIRA
3 1 (12.50%) MSTest
3 1 (12.50%) TeamCity
3 1 (12.50%) WebDriver
General
1 2 (25.00%) Analytical Skills
Job Titles
1 3 (37.50%) Tester
2 2 (25.00%) Architect
2 2 (25.00%) Automation Tester
2 2 (25.00%) Azure Architect
2 2 (25.00%) Solutions Architect
3 1 (12.50%) QA Tester
3 1 (12.50%) Test Automation Engineer
3 1 (12.50%) Test Engineer
Libraries, Frameworks & Software Standards
1 4 (50.00%) .NET
1 4 (50.00%) Playwright
2 2 (25.00%) .NET Core
2 2 (25.00%) CSS
2 2 (25.00%) HTML
2 2 (25.00%) RESTful
2 2 (25.00%) SOAP
2 2 (25.00%) Swagger
2 2 (25.00%) WSDL
2 2 (25.00%) XSLT
3 1 (12.50%) .NET Framework
3 1 (12.50%) OpenAPI
Processes & Methodologies
1 5 (62.50%) CI/CD
1 5 (62.50%) DevOps
1 5 (62.50%) Test Automation
2 4 (50.00%) End-to-End Testing
2 4 (50.00%) Test Scripting
3 3 (37.50%) BDD
3 3 (37.50%) Unit Testing
4 2 (25.00%) Agile
4 2 (25.00%) Load Testing
4 2 (25.00%) OOP
4 2 (25.00%) Performance Testing
4 2 (25.00%) Problem-Solving
4 2 (25.00%) Scrum
4 2 (25.00%) Site Reliability Engineering
4 2 (25.00%) Software Testing
4 2 (25.00%) User Acceptance Testing
4 2 (25.00%) Validation
5 1 (12.50%) Integration Testing
5 1 (12.50%) Regression Testing
5 1 (12.50%) Stakeholder Management
Programming Languages
1 7 (87.50%) C#
2 4 (50.00%) JavaScript
3 3 (37.50%) SQL
4 1 (12.50%) Java
Quality Assurance & Compliance
1 1 (12.50%) QA